Swimming at the 2018 Summer Youth Olympics – Boys' 100 metre backstroke

The boys' 100 metre backstroke event at the 2018 Summer Youth Olympics took place on 7 and 8 October at the Natatorium in Buenos Aires, Argentina.^[1]

Boys' 100 metre backstroke at the 2018 Summer Youth Olympics
Venue	Natatorium
Dates	7 October (heats, semifinals) 8 October (final)
Competitors	25 from 24 nations
Winning time	53.26
Medalists
Kliment Kolesnikov    Russia   Daniel Cristian Martin    Romania   Thomas Ceccon    Italy
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Results

Heats

The heats were started on 7 October at 10:38.^[2]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	4	4	Kliment Kolesnikov	Russia	54.26	Q
2	3	4	Daniel Cristian Martin	Romania	54.46	Q
3	2	4	Thomas Ceccon	Italy	55.33	Q
4	2	7	Tomoe Zenimoto Hvas	Norway	55.64	Q
5	4	5	Wang Guanbin	China	56.01	Q
6	2	5	Manuel Martos	Spain	56.03	Q
7	3	6	Lewis Blackburn	Australia	56.24	Q
8	3	5	Gábor Zombori	Hungary	56.46	Q
9	4	2	Srihari Nataraj	India	56.75	Q
10	3	2	Ethan Harder	United States	56.80	Q
11	4	7	Alanas Tautkus	Lithuania	56.81	Q
12	3	3	Sebastian Somerset	Canada	56.84	Q
13	4	3	Abdellah Ardjoune	Algeria	56.93	Q
14	2	6	Chuang Mu-lun	Chinese Taipei	56.94	Q
15	4	6	Jack Kirby	Barbados	57.03	Q
16	4	1	Akalanka Peiris	Sri Lanka	57.34	Q
17	2	2	Stuart Swinburn	Australia	57.46
18	3	8	Ivan Štšeglov	Estonia	57.57
19	3	1	Roni Kallström	Finland	57.65
20	3	7	Marvin Miglbauer	Austria	57.84
21	4	8	Ramy Ghaziri	Lebanon	58.27
22	2	1	Hendrik Duvenhage	South Africa	58.31
23	1	4	Guillermo Cruz	Mexico	58.40
24	1	5	Marcus Mok	Hong Kong	58.63
25	1	3	Bede Aitu	Cook Islands	1:03.49
	2	3	Björn Seeliger	Sweden	DNS

Semifinals

The semifinals were started on 7 October at 18:15.^[3]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	2	4	Kliment Kolesnikov	Russia	53.80	Q
2	1	4	Daniel Cristian Martin	Romania	54.08	Q
3	1	5	Tomoe Zenimoto Hvas	Norway	54.93	Q, WD
4	2	5	Thomas Ceccon	Italy	55.48	Q
5	2	3	Wang Guanbin	China	55.77	Q
6	1	6	Gábor Zombori	Hungary	56.19	Q
7	1	3	Manuel Martos	Spain	56.20	Q
8	2	6	Lewis Blackburn	Australia	56.27	Q
9	2	2	Srihari Nataraj	India	56.48	Q
10	2	7	Alanas Tautkus	Lithuania	56.49
11	2	8	Jack Kirby	Barbados	56.67
12	1	1	Chuang Mu-lun	Chinese Taipei	56.82
13	1	2	Ethan Harder	United States	56.83
14	2	1	Abdellah Ardjoune	Algeria	56.86
15	1	7	Sebastian Somerset	Canada	56.98
16	1	8	Akalanka Peiris	Sri Lanka	57.35

• 
  Kliment Kolesnikov
• 
  Daniel Cristian Martin
• 
  Tomoe Zenimoto Hvas

Final

The final was held on 8 October at 18:00.^[4]

Rank	Lane	Name	Nationality	Time	Notes
	4	Kliment Kolesnikov	Russia	53.26
	5	Daniel Cristian Martin	Romania	53.59
	3	Thomas Ceccon	Italy	53.65
4	6	Wang Guanbin	China	55.33
5	7	Manuel Martos	Spain	55.83
6	8	Srihari Nataraj	India	56.12
7	2	Gábor Zombori	Hungary	56.21
8	1	Lewis Blackburn	Australia	56.23